Link's First Custom Cube: Virtual Booster

Walker in the Void    R  Creature – Merfolk Wizard Whenever a creature leaves the battlefield, you may counter target spell unless its owner pays . , Sacrifice Walker in the Void: Draw a card. 2/2	No more uncommons	No more uncommons	No more uncommons	Magnetic Performance    C  Instant Choose any number — • Magnetic Performance deals 3 damage to target player. • Destroy target artifact. • Each player with no cards in hand draws two cards. Magnetic Performance costs more to cast for each mode chosen beyond the first.
Transmogrify    C  Instant Exile target nonland permanent an opponent controls. That player exiles cards from the top of his or her library until he or she reveals a creature card, then puts that card onto the battlefield.	Lyr, Title Forger    C  Legendary Creature – Noble Other Noble creatures you control get +1/+1. : Target creature becomes a Noble until end of turn in addition to its other types. 2/2	Wall of Life    C  Creature – Spirit Wall Defender , : You gain 1 life for each creature you control with defender. 0/4	Twist Bug    C  Creature – Insect Whenever Twist Bug deals damage to a player, that player discards that many cards at random, then draws a card for each card discarded this way. 2/1	Tamiyo's Calligraphy Pen    C  Artifact , Tap an untapped creature you control: Target player puts the top card of his or her library into his or her graveyard. : Draw a card. Each creature you tap while activating this ability pays for or one mana of that creature's color.
Caller of Heroes    C  Creature Whenever you cast a legendary spell or a planeswalker spell, put a +1/+1 counter on Caller of Heroes. Legendary spells and planeswalkers spells you cast cost less to cast for each +1/+1 counter on Caller of Heroes. 1/1	Foremost Riddler    C  Creature – Sphinx Flying Enlighten — Foremost Riddler costs less to cast for each card you've drawn this turn. Whenever a Sphinx creature you control becomes blocked, you Gain a victory counter. (A player with 10 or more victory counters wins the game.) 4/3	Eira, Merciful Blade    C  Legendary Creature – Angel Flying, haste When Eira, Merciful Blade enters the battlefield, you may return target legendary or planeswalker card from your graveyard to the battlefield. It gains haste until end of turn. 4/4	Everlasting Vigil    C  Enchantment Creatures you control have vigilance and lifelink. At the beginning of your upkeep, return target creature card with power 2 or less from your graveyard to the battlefield.	Lake of Tar    C  Land – Island Swamp (: Add or to your mana pool.) When Lake of Tar enters the battlefield, sacrifice it unless you pay .

Walker in the Void (rare)
Magnetic Performance (common)
Transmogrify (common)
Lyr, Title Forger (common)
Wall of Life (common)
Twist Bug (common)
Tamiyo's Calligraphy Pen (common)
Caller of Heroes (common)
Foremost Riddler (common)
Eira, Merciful Blade (common)
Everlasting Vigil (common)
Lake of Tar (common)